Re: adding semaphores to my device driver

2010-09-14 Thread Ramya Desai
On Tue, Sep 14, 2010 at 9:50 PM, Bond wrote: > I have written a small character device driver. > I want to add a semaphore to it. > Any idea as what should I be doing. > How I have implemented my code is > I defined four functions in > struct file_operation > as open,read,write,release > I registe

Kernel Build fail on Ubuntu

2010-01-19 Thread Ramya Desai
Dear Experts, I am not able to compile the required kernel on Ubuntu system. When I do the make modules command it showed the following messages. Due to these messages, it does not creates the initrd image file in the /boot directory to that specified kernel. WARNING: modpost: Found 2 section mis

SSP (in SAS)Transport Protocol

2009-04-08 Thread Ramya Desai
Dear Experts, I wanted to study the SSP transport protocol in Linux. When I looked into the kernel source code I Didn't find the correct core. Could anyone direct me to find the correct path of SSP. Thanks in Advance, RD -- To unsubscribe from this list: send an email with "unsubscribe kernelnew

Re: filter drivers in Linux

2009-01-07 Thread Ramya Desai
On Wed, Jan 7, 2009 at 12:03 PM, Greg KH wrote: > On Wed, Jan 07, 2009 at 11:33:06AM +0530, Ramya Desai wrote: >> Can anyone suggest the possibility of writing a UASP driver in Linux >> as mentioned ? or any such implementation is available in any of Linux >> flavours? A

Re: filter drivers in Linux

2009-01-06 Thread Ramya Desai
On Mon, Dec 29, 2008 at 7:17 PM, Ramya Desai wrote: > On Mon, Dec 29, 2008 at 5:33 PM, Srinivas G. > wrote: >>>On Fri, Dec 26, 2008 at 04:01:02PM +0530, Srinivas G. wrote: >>>> Actually my requirement is a bit different. I wanted to develop my >>>> cust

Re: filter drivers in Linux

2008-12-29 Thread Ramya Desai
On Mon, Dec 29, 2008 at 5:33 PM, Srinivas G. wrote: >>On Fri, Dec 26, 2008 at 04:01:02PM +0530, Srinivas G. wrote: >>> Actually my requirement is a bit different. I wanted to develop my >>> custom driver in USB stack, which wanted to modify the data > transmitted >>> and received by storage class